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Qbservable.Timestamp(Of TSource) Method (IQbservable(Of TSource))

Records the timestamp for each value in a queryable observable sequence with the specified source.

Namespace:  System.Reactive.Linq
Assembly:  System.Reactive.Providers (in System.Reactive.Providers.dll)

<ExtensionAttribute> _
Public Shared Function Timestamp(Of TSource) ( _
	source As IQbservable(Of TSource) _
) As IQbservable(Of Timestamped(Of TSource))
Dim source As IQbservable(Of TSource)
Dim returnValue As IQbservable(Of Timestamped(Of TSource))

returnValue = source.Timestamp()

Type Parameters


The type of source.


Type: System.Reactive.Linq.IQbservable(Of TSource)
The source sequence to timestamp values for.

Return Value

Type: System.Reactive.Linq.IQbservable(Of Timestamped(Of TSource))
A queryable observable sequence with timestamp information on values.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IQbservable(Of TSource). When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.103).aspx or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.
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